Help, my mod dont open

Help, i dont know why but today i started my mod normally, 3 hours later my mod its not opening and send me this crash report. How can i fix this?

Executing Gradle task: runClient
Build info: MCreator 2020.5.47520, forge-1.15.2, 64-bit, 6092 MB, Windows 10, JVM 1.8.0_265, JAVA_HOME: C:\Program Files\Pylo\MCreator\jdk
> Configure project :
New Dep: net.minecraftforge:forge:1.15.2-31.2.0_mapped_snapshot_20200514-1.15.1
> Task :compileJava FAILED
C:\Users\bauti\MCreatorWorkspaces\minerals_expansion_mod\src\main\java\glow-amethyst-copper expansion\block\CrystalBlock.java:2: error: ';' expected package glow-amethyst-copper expansion.block;

(This happened with 24 more Blocks/Items/Entities, then this error appears)

^
25 errors
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.

See https://docs.gradle.org/4.10.3/userguide/command_line_interface.html#se…
BUILD FAILED in 5s
1 actionable task: 1 executed
BUILD FAILED
Task completed in 5338 milliseconds